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Finding the Fourth Proportional to 133,073.63, 199,714.73 and 92,830.85

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Solution

The fourth proportional to 133,073.63, 199,714.73 and 92,830.85 is: 139,319.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.63 : 199,714.73 = 92,830.85 : x
  2. Step 2: Convert to fraction form
    133,073.63/199,714.73 = 92,830.85/x
  3. Step 3: Cross multiply
    133,073.63x = 199,714.73 × 92,830.85
  4. Step 4: Simplify right side
    133,073.63x = 18,539,687,679.27
  5. Step 5: Solve for x
    x = 18,539,687,679.27/133,073.63
  6. Step 6: Final answer
    x = 139,319.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.